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A stress relaxation model for the viscoelastic solids based on the steady-state creep equation

Xu, X. and Hou, J. (2011) A stress relaxation model for the viscoelastic solids based on the steady-state creep equation. Mechanics of Time-Dependent Materials, 15 (1). pp. 29-39. ISSN 1573-2738

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To link to this article DOI: 10.1007/s11043-010-9122-9

Abstract/Summary

Creep and stress relaxation are inherent mechanical behaviors of viscoelastic materials. It is considered that both are different performances of one identical physical phenomenon. The relationship between the decay stress and time during stress relaxation has been derived from the power law equation of the steady-state creep. The model was used to analyse the stress relaxation curves of various different viscoelastic materials (such as pure polycrystalline ice, polymers, foods, bones, metal, animal tissues, etc.). The calculated results using the theoretical model agree with the experimental data very well. Here we show that the new mathematical formula is not only simple but its parameters have the clear physical meanings. It is suitable to materials with a very broad scope and has a strong predictive ability.

Item Type:Article
Refereed:Yes
Divisions:Faculty of Science > School of Construction Management and Engineering > Innovative and Sustainable Technologies
ID Code:26946
Publisher:Springer

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